com.whitestein.lsps.engine.dto.val

Class ReferenceValue

java.lang.Object

com.whitestein.lsps.engine.dto.val.ReferenceValue

All Implemented Interfaces:

Value, ReferenceHolder, ValueHolder, Serializable

public class ReferenceValue
extends Object
implements Value, ReferenceHolder

A closure value.

Author:

rba

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ReferenceValue() Creates new instance.

Method Summary

Modifier and Type	Method and Description
void	afterUnmarshal(javax.xml.bind.Unmarshaller unmarshaller, Object parent)
void	beforeUnmarshal(javax.xml.bind.Unmarshaller unmarshaller, Object parent)
List<Property>	getAdditionalProperties() Returns additional properties that are added to the referenced path.
ClosureOrigin	getClosureOrigin()
String	getExpressionString() Returns a string representation of this reference holder expression.
String	getId() Returns the id of this value, if any.
Namespace	getNamespace() Returns namespace
ValueHolder	getNotCompiledValueHolder()
Value	getParent() Returns the parent of this value.
Path	getPath() Returns referenced path if a property is referenced.
Property	getProperty() Returns last referenced property if a property is referenced.
RecordHolder	getPropertyRecord(InterpreterStackTrace stackTrace) Returns root record for the property if a property is referenced.
ReferenceType	getType() Returns the type of the holder.
Object	getValue(InterpreterStackTrace stackTrace) Gets the value of the referenced element.
Object	getValue(String evaluationLevel, InterpreterStackTrace stackTrace) Returns value of referenced value-holder (variable/record) in the specified evaluation level.
boolean	isChanged() Returns true if referenced place holder has changed value.
void	setValue(Object value, InterpreterStackTrace stackTrace) Sets the value of the referenced element.
Object	toObject() Converts this value to an appropriate object.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.whitestein.lsps.lang.exec.ReferenceHolder

getPropertyRecord, getValue, setValue

Constructor Detail

ReferenceValue

protected ReferenceValue()

Creates new instance.

Method Detail

toObject

public Object toObject()

Description copied from interface: Value

Converts this value to an appropriate object.

Specified by:

toObject in interface Value

Returns:

this value to an appropriate object

getId

public String getId()

Description copied from interface: Value

Returns the id of this value, if any.

Specified by:

getId in interface Value

Specified by:

getId in interface ValueHolder

Returns:

the id of this value, if any

getParent

public Value getParent()

Description copied from interface: Value

Returns the parent of this value.

Specified by:

getParent in interface Value

Returns:

the parent of this value

getType

public ReferenceType getType()

Description copied from interface: ValueHolder

Returns the type of the holder.

Specified by:

getType in interface ReferenceHolder

Specified by:

getType in interface ValueHolder

Returns:

the type of the holder

getExpressionString

public String getExpressionString()

Description copied from interface: ReferenceHolder

Returns a string representation of this reference holder expression.

Specified by:

getExpressionString in interface ReferenceHolder

Returns:

a string representation of this reference holder expression

setValue

public void setValue(Object value,
                     InterpreterStackTrace stackTrace)

Description copied from interface: ReferenceHolder

Sets the value of the referenced element.

Specified by:

setValue in interface ReferenceHolder

stackTrace - a stack trace

getValue

public Object getValue(InterpreterStackTrace stackTrace)

Description copied from interface: ReferenceHolder

Gets the value of the referenced element.

Specified by:

getValue in interface ReferenceHolder

Returns:

the value of the referenced element

getProperty

public Property getProperty()

Description copied from interface: ReferenceHolder

Returns last referenced property if a property is referenced. Returns null in other cases.

Specified by:

getProperty in interface ReferenceHolder

Returns:

referenced property

getPropertyRecord

public RecordHolder getPropertyRecord(InterpreterStackTrace stackTrace)

Description copied from interface: ReferenceHolder

Returns root record for the property if a property is referenced. Returns null in other cases.

Specified by:

getPropertyRecord in interface ReferenceHolder

Parameters:

stackTrace - a stack trace

Returns:

root record for the property

getPath

public Path getPath()

Description copied from interface: ReferenceHolder

Returns referenced path if a property is referenced. Returns null in other cases.

Specified by:

getPath in interface ReferenceHolder

Returns:

referenced path

isChanged

public boolean isChanged()

Description copied from interface: ReferenceHolder

Returns true if referenced place holder has changed value. It fails if the reference is in the base evaluation level, in such case there is no way to detect changes.

Specified by:

isChanged in interface ReferenceHolder

Returns:

true if referenced place holder has changed value

getValue

public Object getValue(String evaluationLevel,
                       InterpreterStackTrace stackTrace)

Description copied from interface: ReferenceHolder

Returns value of referenced value-holder (variable/record) in the specified evaluation level. It fails if the referenced value-holder does not exist on the specified evaluation level.

Specified by:

getValue in interface ReferenceHolder

stackTrace - a stack trace

Returns:

referenced value transformed to the required level

beforeUnmarshal

public void beforeUnmarshal(javax.xml.bind.Unmarshaller unmarshaller,
                            Object parent)

Parameters:

unmarshaller -

parent -

afterUnmarshal

public void afterUnmarshal(javax.xml.bind.Unmarshaller unmarshaller,
                           Object parent)

Parameters:

unmarshaller -

parent -

toString

public String toString()

Overrides:

toString in class Object

getNamespace

public Namespace getNamespace()

Description copied from interface: ReferenceHolder

Returns namespace

Specified by:

getNamespace in interface ReferenceHolder

Returns:

namespace

getAdditionalProperties

public List<Property> getAdditionalProperties()

Description copied from interface: ReferenceHolder

Returns additional properties that are added to the referenced path.

Specified by:

getAdditionalProperties in interface ReferenceHolder

Returns:

additional properties that are added to the referenced path.

getNotCompiledValueHolder

public ValueHolder getNotCompiledValueHolder()

Specified by:

getNotCompiledValueHolder in interface ValueHolder

getClosureOrigin

public ClosureOrigin getClosureOrigin()

Specified by:

getClosureOrigin in interface ReferenceHolder

Returns:

the closure origin, may be null